Nice links.
Have you also tried Baker Creek Heirloom Seeds? (http://www.rareseeds.com)
Salt Spring Seeds (Http://www.saltspringseeds.com)
Haven’t ordered from these guys (yet) but they do carry the legendary Dufresne / Savignac tomato:
http://www.jardinjasmin.com
Love Baker Creek.
I’ve also had good luck with
www.totallytomato.com
Hubby’s favorite tomato last summer was ‘Large Barred Boar’.
I just ordered from Bakers Creek. They have a nice selection of okra and I am going to try 2 of them, some cardoon, and their black carrot which probably is better juiced than cooked.